7 C.F.R. § 760.912
Participants receiving payments under this subpart or any other person who furnishes information for the purposes of enabling such participant to receive a payment under this subpart must maintain any books, records, and accounts supporting any information so furnished for 3 years following the end of the year during which the application for payment was filed. Participants receiving payments or any other person who furnishes such information to FSA must allow authorized representatives of USDA and the General Accountability Office, during regular business hours, to inspect, examine, and make copies of such books or records, and to enter upon, inspect and verify all applicable livestock and acreage in which the participant has an interest for the purpose of confirming the accuracy of information provided by or for the participant.
7 C.F.R. § 760.912